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XmlWriter.WriteElementStringAsync Method

.NET Framework 4.5

Asynchronously writes an element with the specified prefix, local name, namespace URI, and value.

Namespace:  System.Xml
Assembly:  System.Xml (in System.Xml.dll)
public Task WriteElementStringAsync(
	string prefix,
	string localName,
	string ns,
	string value
)

Parameters

prefix
Type: System.String

The prefix of the element.

localName
Type: System.String

The local name of the element.

ns
Type: System.String

The namespace URI of the element.

value
Type: System.String

The value of the element.

Return Value

Type: System.Threading.Tasks.Task
The task that represents the asynchronous WriteElementString operation.
ExceptionCondition
InvalidOperationException

An XmlWriter method was called before a previous asynchronous operation finished. In this case, InvalidOperationException is thrown with the message “An asynchronous operation is already in progress.”

InvalidOperationException

An XmlWriter asynchronous method was called without setting the Async flag to true. In this case, InvalidOperationException is thrown with the message “Set XmlWriterSettings.Async to true if you want to use Async Methods.”

This is the asynchronous version of WriteElementString, with the same functionality. To use this method, you must set the Async flag to true.

.NET Framework

Supported in: 4.5.1, 4.5

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone 8, Silverlight 8.1

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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